Headphones



FIG. 1 is a perspective view of headphones, showing our design;

FIG. 2 is an opposing perspective view thereof;

FIG. 3 is front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is an opposing side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines showing the environment are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for headphones, as shown and described. 